Home / 158,737.10-219,050.34-87,118.34

Finding the Fourth Proportional to 158,737.10, 219,050.34 and 87,118.34

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Solution

The fourth proportional to 158,737.10, 219,050.34 and 87,118.34 is: 120,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,737.10 : 219,050.34 = 87,118.34 : x
  2. Step 2: Convert to fraction form
    158,737.10/219,050.34 = 87,118.34/x
  3. Step 3: Cross multiply
    158,737.10x = 219,050.34 × 87,118.34
  4. Step 4: Simplify right side
    158,737.10x = 19,083,301,997.24
  5. Step 5: Solve for x
    x = 19,083,301,997.24/158,737.10
  6. Step 6: Final answer
    x = 120,219.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.